边缘计算在星地协同网络中的应用探讨

Application of edge computing in satellite-terrestrial integrated network

星地协同网络被认为是一种新兴的网络体系结构,能够适应未来网络中的各类服务与应用。多接入边缘计算(multi-access edge computing,MEC)作为未来移动网络中的一种关键技术,可为星地协同网络提供进一步的服务创新和业务支持。因此,考虑赋予星地协同网络边缘计算能力,使用户能够通过星地协同网络在全球任何地方获得计算服务,从而提高用户体验质量,减少冗余网络流量。具体地,首先对MEC的基本概念和参考架构进行了概述,然后介绍了基于边缘计算技术的星地协同网络体系架构,并详细地讨论了该架构的各逻辑功能组件。最后对边缘计算使能的星地协同网络存在的问题与挑战进行了归纳和展望。

The satellite-terrestrial integrated network is considered as a novel network architecture,which can adapt to various services and applications in the future network.As an emerging technology in future mobile networks,multi-access edge computing(MEC)can provide further service innovation and business support for satellite-terrestrial integrated networks.Therefore,by endowing the satellite-terrestrial integrated network with the edge computing capability,users can enjoy computing services anywhere in the world through the satellite-terrestrial integrated network,which improves the quality of experience of users and reduces redundant network traffic.Specifically,the basic concepts and reference architecture of MEC were introduce firstly.Then,an edge computing enabled satellite-terrestrial integrated network architecture was introduced.Moreover,the logical functional components of the proposed architecture were discussed in detail.Finally,the open research issues and challenges of edge computing enabled satellite-terrestrial integrated network were summarized and prospected.